This is the Master Airscrew Nylon K series 12x4 Propeller

This is a Windsor Master Airscrew 15 x 6 K Series Propeller. K Series propellers are molded from glass-filled nylon and offer exceptional performance for 4-stroke, as well as, 2-stroke engines.

This is a Windsor Master Airscrew 15 x 4 K Series Propeller. K Series propellers are molded from glass-filled nylon and offer exceptional performance for 4-stroke, as well as, 2-stroke engines.

This is a Windsor Master Airscrew 13 x 4 K Series Propeller. K Series propellers are molded from glass-filled nylon and offer exceptional performance for 4-stroke, as well as, 2-stroke engines.

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Windsor has its own molding making and injection molding facilities and uses the latest in Cad Cam programming combined with individually hand-carved molding masters.